2306305 has 16 divisors (see below), whose sum is σ = 3003264. Its totient is φ = 1693440.

The previous prime is 2306303. The next prime is 2306309. The reversal of 2306305 is 5036032.

It is not a de Polignac number, because 2306305 - 2¹ = 2306303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2306303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3340 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (187704).

2^2306305 is an apocalyptic number.

It is an amenable number.

2306305 is a deficient number, since it is larger than the sum of its proper divisors (696959).

2306305 is a wasteful number, since it uses less digits than its factorization.

2306305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 2306305 is about 1518.6523631167. The cubic root of 2306305 is about 132.1211200810.

The spelling of 2306305 in words is "two million, three hundred six thousand, three hundred five".